INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '28dfa9f724601236d71758e4a1f73d297466b0d757bfc97ee2ab65966db3a828', 
    '8iR2h2vnB7uI0DUZ3DiuXFeKhJ6KfF5Eom5jUCWoUR4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)